Express middleware中间件

The Express middleware modules listed here are maintained by the Expressjs team.此处列出的Express中间件模块由Expressjs团队维护。

Middleware module中间件模块 Description描述 Replaces built-in function (Express 3)替换内置功能（Express 3）
body-parser Parse HTTP request body. 解析HTTP请求体。See also: body, co-body, and raw-body.另请参见：body、co-body和raw-body。 express.bodyParser
compression Compress HTTP responses.压缩HTTP响应。 express.compress
connect-rid Generate unique request ID.生成唯一的请求ID。 NA
cookie-parser Parse cookie header and populate req.cookies. 解析cookie头并填充req.cookies。See also cookies and keygrip.另请参见cookies和keygrip。 express.cookieParser
cookie-session Establish cookie-based sessions.建立基于cookie的会话。 express.cookieSession
cors Enable cross-origin resource sharing (CORS) with various options.使用各种选项启用跨源资源共享（CORS）。 NA
csurf Protect from CSRF exploits.防止CSRF攻击。 express.csrf
errorhandler Development error-handling/debugging.开发错误处理/调试。 express.errorHandler
method-override Override HTTP methods using header.使用标头重写HTTP方法。 express.methodOverride
morgan HTTP request logger.HTTP请求记录器。 express.logger
multer Handle multi-part form data.处理多部分表单数据。 express.bodyParser
response-time Record HTTP response time.记录HTTP响应时间。 express.responseTime
serve-favicon Serve a favicon.提供网站图标。 express.favicon
serve-index Serve directory listing for a given path.为给定路径提供目录列表。 express.directory
serve-static Serve static files.提供静态文件。 express.static
session Establish server-based sessions (development only).建立基于服务器的会话（仅限开发）。 express.session
timeout Set a timeout period for HTTP request processing.设置HTTP请求处理的超时时间。 express.timeout
vhost Create virtual domains.创建虚拟域。 express.vhost
express-ws WebSocket endpoints for express applications用于express应用程序的WebSocket端点 express.vhost

Additional middleware modules附加中间件模块

These are some additional popular middleware modules.这些是一些额外的流行中间件模块。

Warning: This information refers to third-party sites, products, or modules that are not maintained by the Expressjs team. 此信息指的是并非由Expressjs团队维护的第三方站点、产品或模块。Listing here does not constitute an endorsement or recommendation from the Expressjs project team.此处列出的内容并不构成Expressjs项目团队的认可或建议。

Middleware module中间件 Description描述
express-jwtExpress-JWT: connect/express中间件，用于验证JsonWebToken(JWT)并使用属性设置req.auth
jsonwebtoken JsonWebToken implementation for node.jsnode.js的JsonWebToken实现
express-unless当满足条件时，有条件地跳过中间件。
http-errorsCreate HTTP errors for Express, Koa, Connect, etc. with ease.轻松地创建Express、Koa、Connect等的HTTP错误。
express-validatorAn express.js middleware for validator.jsvalidator.js的一个express.js中间件
cls-rtracer Middleware for CLS-based request id generation. 用于基于CLS的请求id生成的中间件。An out-of-the-box solution for adding request ids into your logs.将请求ID添加到日志中的现成解决方案。
connect-image-optimus Optimize image serving. Switches images to .webp or .jxr, if possible.优化图像服务。如果可能，将图像切换到.webp或.jxr。
express-debug Development tool that adds information about template variables (locals), current session, and so on.添加有关模板变量（局部变量）、当前会话等信息的开发工具。
express-partial-response Filters out parts of JSON responses based on the fields query-string; by using Google API’s Partial Response.根据fields查询字符串过滤出JSON响应的一部分；通过使用谷歌API的部分响应。
express-simple-cdn Use a CDN for static assets, with multiple host support.对静态资产使用CDN，并支持多个主机。
express-slash Handles routes with and without trailing slashes.处理带有或不带有尾部斜杠的管线。
express-stormpath User storage, authentication, authorization, SSO, and data security.用户存储、身份验证、授权、SSO和数据安全。
express-uncapitalize Redirects HTTP requests containing uppercase to a canonical lowercase form.将包含大写的HTTP请求重定向为规范的小写形式。
helmet Helps secure your apps by setting various HTTP headers.通过设置各种HTTP头帮助保护您的应用。
join-io Joins files on the fly to reduce the requests count.动态连接文件以减少请求计数。
passport Authentication using “strategies” such as OAuth, OpenID and many others. 使用OAuth、OpenID等“策略”进行身份验证。See http://passportjs.org/ for more information.看见http://passportjs.org/ 了解更多信息。
static-expiry Fingerprint URLs or caching headers for static assets.静态资产的指纹URL或缓存头。
view-helpers Common helper methods for views.视图的常用辅助方法。
sriracha-admin Dynamically generate an admin site for Mongoose.为Mongoose动态生成管理站点。
helmet.js Helmet通过设置HTTP响应标头来帮助保护Express应用程序的安全。

For more middleware modules, see http-framework.有关更多中间件模块，请参阅http框架。